– Lat/Long: 48.71° N 121.99° W
South Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 9 am Mon 09 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Mon 09 Nov Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 47mm), heaviest during Tue afternoon. Very mild (max 13°C on Wed morning, min 7°C on Mon afternoon). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 24mm), heaviest during Fri night. Very mild (max 14°C on Thu morning, min 6°C on Sat afternoon). Wind will be generally light. | |||||||||||||||||
Monday 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | | | | |  | | |  |  | | | |
cloudy | light rain | light rain | heavy rain | heavy rain | mod. rain | light rain | light rain | light rain | cloudy | cloudy | cloudy | cloudy | light rain | heavy rain | rain shwrs | light rain | mod. rain | |
Cloud base (m) | 2500 | 2000 | 600 | 650 | 550 | 700 | 600 | 900 | 1600 | 4900 | 5250 | 6700 | 2700 | 500 | 550 | 700 | 550 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 5 | 4 | 10 | 16 | 8 | 1.9 | 0.1 | 1.5 | — | — | — | — | 0.2 | 12 | 1.1 | 4 | 8 |
max °C | 11 | 8 | 8 | 9 | 10 | 11 | 13 | 13 | 13 | 14 | 13 | 14 | 14 | 12 | 8 | 7 | 6 | 7 |
min °C | 9 | 7 | 7 | 8 | 9 | 10 | 12 | 13 | 12 | 13 | 13 | 13 | 13 | 9 | 7 | 7 | 6 | 6 |
chill °C | 7 | 4 | 5 | 6 | 7 | 8 | 10 | 11 | 11 | 12 | 12 | 12 | 12 | 8 | 5 | 4 | 4 | 4 |
Freezing level m | 2050 | 1950 | 1750 | 2150 | 2600 | 3000 | 2800 | 2700 | 2600 | 2500 | 2700 | 3000 | 2700 | 2250 | 1750 | 1450 | 1450 | 1650 |
 | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — | 7:15 | — | — |
 | — | 4:35 | — | — | 4:34 | — | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — | — | 4:29 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 47mm), heaviest during Tue afternoon. Very mild (max 13°C on Wed morning, min 7°C on Mon afternoon). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 24mm), heaviest during Fri night. Very mild (max 14°C on Thu morning, min 6°C on Sat afternoon). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.